After activating your eSIM via QR code or manual activation code, you may see the following error message:
Unsupported eSIM
"This eSIM is from a carrier that is not currently supported on this iPhone."
This error indicates that your device is locked by your carrier, and is not allowed to install plans from other carriers.
You can verify if your device is locked by following the steps below:
- Go to Settings > General, and tap About
- Under Carrier Lock, you should see the message: No SIM restrictions
- If the Carrier Lock field says something different, the device is locked.